程式設計@筆記

<?php
function trim_end($str, $remove=null)
{
$str = (string)$str;
$remove = (string)$remove;

if(empty($remove))
{
return rtrim($str);
}

$len = strlen($remove);
$offset = strlen($str)-$len;
while($offset > 0 && $offset == strpos($str, $remove, $offset))
{
$str = substr($str, 0, $offset);
$offset = strlen($str)-$len;
}

return rtrim($str);

} //End of function rstrtrim($str, $remove=null)

//$text = "a,b,c,d,e,f,g,i,j,k,";
//echo trim_end($text,","); //a,b,c,d,e,f,g,i,j,k

$str="<a href='#'>test1</a>、<a href='#'>tes2t</a>、<a href='#'>test3</a>、<a href='#'>test4</a>、";
//echo trim_end($str,"、");

?>